<!doctype html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head>
<script>
	window.parent.postMessage({type:'iframe.event',event:'iframeProxyLoad'},'*');
	window.addEventListener('message',function(e){
		if(e.source != window.parent || e.data.type != 'render'){return;}
		//重新创建文档流,会自动重新触发load等事件
		document.open();document.write(e.data.content);document.close();
	});
</script>
</html>